Minestom/src/main/java/net/minestom/server/network/packet/server/play/ChangeGameStatePacket.java

package net.minestom.server.network.packet.server.play;

import net.minestom.server.network.ConnectionState;
import net.minestom.server.network.NetworkBuffer;
import net.minestom.server.network.packet.server.ServerPacket;
import net.minestom.server.network.packet.server.ServerPacketIdentifier;
import net.minestom.server.utils.PacketUtils;
import org.jetbrains.annotations.NotNull;

import static net.minestom.server.network.NetworkBuffer.BYTE;
import static net.minestom.server.network.NetworkBuffer.FLOAT;

public record ChangeGameStatePacket(@NotNull Reason reason, float value) implements ServerPacket {
    public ChangeGameStatePacket(@NotNull NetworkBuffer reader) {
        this(Reason.values()[reader.read(BYTE)], reader.read(FLOAT));
    }

    @Override
    public void write(@NotNull NetworkBuffer writer) {
        writer.write(BYTE, (byte) reason.ordinal());
        writer.write(FLOAT, value);
    }

    @Override
    public int getId(@NotNull ConnectionState state) {
        return switch (state) {
            case PLAY -> ServerPacketIdentifier.CHANGE_GAME_STATE;
            default -> PacketUtils.invalidPacketState(getClass(), state, ConnectionState.PLAY);
        };
    }

    public enum Reason {
        NO_RESPAWN_BLOCK,
        END_RAINING,
        BEGIN_RAINING,
        CHANGE_GAMEMODE,
        WIN_GAME,
        DEMO_EVENT,
        ARROW_HIT_PLAYER,
        RAIN_LEVEL_CHANGE,
        THUNDER_LEVEL_CHANGE,
        PLAY_PUFFERFISH_STING_SOUND,
        PLAYER_ELDER_GUARDIAN_MOB_APPEARANCE,
        ENABLE_RESPAWN_SCREEN,
        LIMITED_CRAFTING
    }
}